diff --git a/cmake.sh b/cmake.sh
index 452584b..89d89b1 100755
--- a/cmake.sh
+++ b/cmake.sh
@@ -21,7 +21,8 @@ LONGOPTS=generator:,type:,qtcreator,cmake,force,source-dir:,build-dir:,output-di
 eval set -- "$PARSED"
 
 # Default generator
-GENERATOR="Unix Makefiles"
+[ -x "$(command -v make)" ] && GENERATOR="Unix Makefiles"
+[ -x "$(command -v ninja)" ] && GENERATOR=Ninja
 
 # Generate single build type
 SINGLE_TYPE="n"
@@ -89,6 +90,11 @@ while true; do
 	esac
 done
 
+if [ "x${GENERATOR}" = "x" ]; then
+	echo "Build command is not found"
+	exit 1
+fi
+
 CMAKE_ARGS=""
 [ ${#@} -gt 0 ] && CMAKE_ARGS=("${@}")
 
diff --git a/qtcreator-debug.sh b/qtcreator-debug.sh
index 4bb2cfb..9343bb8 100755
--- a/qtcreator-debug.sh
+++ b/qtcreator-debug.sh
@@ -1,12 +1,6 @@
 #!/bin/bash
 
-[ -x "$(command -v make)" ] && GENERATOR="Unix Makefiles"
-[ -x "$(command -v ninja)" ] && GENERATOR=Ninja
-if [ "x${GENERATOR}" = "x" ]; then
-	echo "Build command is not found"
-	exit 1
-fi
 PROJECT=$(grep -i "^Project" "$(dirname -- "$(dirname -- "$(pwd)")")/CMakeLists.txt" | awk -F'[()]' '{print $2}')
 
-"$(dirname $0)/cmake.sh" -g "${GENERATOR}" -f -t Debug
+"$(dirname $0)/cmake.sh" -f -t Debug