diff --git a/appimage/7/Dockerfile b/appimage/7/Dockerfile
index 47e6f215..c1dccb93 100644
--- a/appimage/7/Dockerfile
+++ b/appimage/7/Dockerfile
@@ -19,7 +19,7 @@ RUN yum install -y cairo-devel freeglut-devel gcc make tcsh \
     && rpm -qa | sort \
     && echo ""
 
-# Tcl/Tk 
+# Tcl/Tk
 WORKDIR /tcl
 RUN curl -L https://prdownloads.sourceforge.net/tcl/tcl8.6.16-src.tar.gz | tar --strip-components=1 -xzC . \
     && cd unix \
diff --git a/appimage/7/Makefile b/appimage/7/Makefile
index 3ec57ebd..b575062c 100644
--- a/appimage/7/Makefile
+++ b/appimage/7/Makefile
@@ -31,7 +31,7 @@ appimagetool:
 	curl -L "$(APPIMAGETOOL_DOWNLOAD_URL)" > ./appimagetool
 	chmod +x ./appimagetool
 
-$(APPIMAGE): prefix/bin/magic appimagetool $(RESOURCES) 
+$(APPIMAGE): prefix/bin/magic appimagetool $(RESOURCES)
 	cp $(RESOURCES) ./prefix/
 	./appimagetool prefix