diff --git a/launch-dedicated.sh b/launch-dedicated.sh
index 8e69f6c068..cbcb50a523 100755
--- a/launch-dedicated.sh
+++ b/launch-dedicated.sh
@@ -7,7 +7,7 @@
 #  Read the file to see which settings you can override
 
 ENGINEDIR=$(dirname "$0")
-if command -v mono >/dev/null 2>&1 && [ "$(grep -c .NETCoreApp,Version= ${ENGINEDIR}/bin/OpenRA.Server.dll)" = "0" ]; then
+if command -v mono >/dev/null 2>&1 && [ "$(grep -c .NETCoreApp,Version= "${ENGINEDIR}/bin/OpenRA.Server.dll")" = "0" ]; then
 	RUNTIME_LAUNCHER="mono --debug"
 else
 	RUNTIME_LAUNCHER="dotnet"
@@ -35,7 +35,7 @@ JoinChatDelay="${JoinChatDelay:-"5000"}"
 SupportDir="${SupportDir:-""}"
 
 while true; do
-     ${RUNTIME_LAUNCHER} ${ENGINEDIR}/bin/OpenRA.Server.dll Engine.EngineDir=".." Game.Mod="$Mod" \
+     ${RUNTIME_LAUNCHER} "${ENGINEDIR}/bin/OpenRA.Server.dll" Engine.EngineDir=".." Game.Mod="$Mod" \
      Server.Name="$Name" \
      Server.ListenPort="$ListenPort" \
      Server.AdvertiseOnline="$AdvertiseOnline" \
diff --git a/launch-game.sh b/launch-game.sh
index a66e014a28..084b912a17 100755
--- a/launch-game.sh
+++ b/launch-game.sh
@@ -1,15 +1,15 @@
 #!/bin/sh
 ENGINEDIR=$(dirname "$0")
-if command -v mono >/dev/null 2>&1 && [ "$(grep -c .NETCoreApp,Version= ${ENGINEDIR}/bin/OpenRA.dll)" = "0" ]; then
+if command -v mono >/dev/null 2>&1 && [ "$(grep -c .NETCoreApp,Version= "${ENGINEDIR}/bin/OpenRA.dll")" = "0" ]; then
 	RUNTIME_LAUNCHER="mono --debug"
 else
 	RUNTIME_LAUNCHER="dotnet"
 fi
 
 if command -v python3 >/dev/null 2>&1; then
-	 LAUNCHPATH=$(python3 -c "import os; print(os.path.realpath('$0'))")
+	 LAUNCHPATH=$(python3 -c 'import os,sys; print(os.path.realpath(sys.argv[1]))' "$0")
 else
-	 LAUNCHPATH=$(python -c "import os; print(os.path.realpath('$0'))")
+	 LAUNCHPATH=$(python -c 'import os,sys; print(os.path.realpath(sys.argv[1]))' "$0")
 fi
 
 # Prompt for a mod to launch if one is not already specified
@@ -32,7 +32,7 @@ then
 fi
 
 # Launch the engine with the appropriate arguments
-${RUNTIME_LAUNCHER} ${ENGINEDIR}/bin/OpenRA.dll Engine.EngineDir=".." Engine.LaunchPath="${LAUNCHPATH}" ${MODARG} "$@"
+${RUNTIME_LAUNCHER} "${ENGINEDIR}/bin/OpenRA.dll" Engine.EngineDir=".." Engine.LaunchPath="${LAUNCHPATH}" ${MODARG} "$@"
 
 # Show a crash dialog if something went wrong
 if [ $? != 0 ] && [ $? != 1 ]; then
diff --git a/utility.sh b/utility.sh
index 22c94a029d..6c1886cb21 100755
--- a/utility.sh
+++ b/utility.sh
@@ -1,9 +1,9 @@
 #!/bin/sh
 ENGINEDIR=$(dirname "$0")
-if command -v mono >/dev/null 2>&1 && [ "$(grep -c .NETCoreApp,Version= ${ENGINEDIR}/bin/OpenRA.Utility.dll)" = "0" ]; then
+if command -v mono >/dev/null 2>&1 && [ "$(grep -c .NETCoreApp,Version= "${ENGINEDIR}/bin/OpenRA.Utility.dll")" = "0" ]; then
 	RUNTIME_LAUNCHER="mono --debug"
 else
 	RUNTIME_LAUNCHER="dotnet"
 fi
 
-ENGINE_DIR=.. ${RUNTIME_LAUNCHER} ${ENGINEDIR}/bin/OpenRA.Utility.dll "$@"
+ENGINE_DIR=.. ${RUNTIME_LAUNCHER} "${ENGINEDIR}/bin/OpenRA.Utility.dll" "$@"