diff --git a/workflow/qhtcp-workflow b/workflow/qhtcp-workflow
index 58fe0b42..664a07b9 100755
--- a/workflow/qhtcp-workflow
+++ b/workflow/qhtcp-workflow
@@ -482,7 +482,7 @@ install_dependencies() {
   # Install R packages
   for d in "${depends_r[@]}"; do
   debug "$RSCRIPT -e \"if (!require(\"$d\", quietly = TRUE)); install.packages(\"$d\", dep=TRUE, repos=\"https://cloud.r-project.org\")\""
-    "$RSCRIPT" -e "if (!require(\"$d\", quietly = TRUE)); install.packages(\"$d\", dep=TRUE, repos=\"https://cloud.r-project.org\")"
+    "$RSCRIPT" -e "if (!require(\"$d\", quietly = TRUE)); {install.packages(\"$d\", dep=TRUE, repos=\"https://cloud.r-project.org\")}"
   done
 
   # Install Bioc packages