diff --git a/script/cibuild b/script/cibuild
index 2369fb1..b72816e 100755
--- a/script/cibuild
+++ b/script/cibuild
@@ -129,7 +129,7 @@ build_scheme ()
     if [ "$awkstatus" -eq "1" ]
     then
         # SDK not found, try for iphonesimulator.
-	sdkflags=(-sdk iphonesimulator -destination "platform=iOS Simulator,name=iPhone 5")
+        sdkflags=(-sdk iphonesimulator -destination "platform=iOS Simulator,name=iPhone 5")
 
         # Determine whether the unit tests will run with iphonesimulator
         run_xctool "${sdkflags[@]}" -scheme "$scheme" run-tests | parse_build
@@ -139,7 +139,7 @@ build_scheme ()
         if [ "$awkstatus" -ne "0" ]
         then
             # Unit tests will not run on iphonesimulator.
-	    sdkflags=()
+            sdkflags=()
         fi
     fi
 
diff --git a/script/update_libgit2 b/script/update_libgit2
index 0f795bc..d84cb1d 100755
--- a/script/update_libgit2
+++ b/script/update_libgit2
@@ -23,10 +23,10 @@ mkdir build
 cd build
 
 cmake -DBUILD_SHARED_LIBS:BOOL=OFF \
-	-DLIBSSH2_INCLUDE_DIRS:PATH=/usr/local/include/ \
-	-DBUILD_CLAR:BOOL=OFF \
-	-DTHREADSAFE:BOOL=ON \
-	..
+    -DLIBSSH2_INCLUDE_DIRS:PATH=/usr/local/include/ \
+    -DBUILD_CLAR:BOOL=OFF \
+    -DTHREADSAFE:BOOL=ON \
+    ..
 cmake --build .
 
 product="libgit2.a"