diff --git a/tools/camera/CAMERA_findAdducts.R b/tools/camera/CAMERA_findAdducts.R
index ee6675150..f75419d3f 100755
--- a/tools/camera/CAMERA_findAdducts.R
+++ b/tools/camera/CAMERA_findAdducts.R
@@ -129,7 +129,7 @@ main_cols <- 1:(ncols - sample_cols - 3) # Main columns before sample columns
 tail_cols <- (ncols - 2):ncols # The last 3 columns (adduct, isotope, pcgroup)
 
 # Combine the selected columns from matgrp with the group names
-variableMetadata <- cbind(
+variableMetadata <- data.frame(
   name = names_default,
   name_custom = names_custom,
   stringsAsFactors = FALSE
diff --git a/tools/camera/CAMERA_findIsotopes.R b/tools/camera/CAMERA_findIsotopes.R
index 44d4f2c2a..2ac593c6f 100755
--- a/tools/camera/CAMERA_findIsotopes.R
+++ b/tools/camera/CAMERA_findIsotopes.R
@@ -116,7 +116,7 @@ main_cols <- 1:(ncols - sample_cols - 3) # Main columns before sample columns
 tail_cols <- (ncols - 2):ncols # The last 3 columns (adduct, isotope, pcgroup)
 
 # Combine the selected columns from matgrp with the group names
-variableMetadata <- cbind(
+variableMetadata <- data.frame(
   name = names_default,
   name_custom = names_custom,
   stringsAsFactors = FALSE
diff --git a/tools/camera/CAMERA_groupCorr.R b/tools/camera/CAMERA_groupCorr.R
index a5ab01ec7..c4be568be 100755
--- a/tools/camera/CAMERA_groupCorr.R
+++ b/tools/camera/CAMERA_groupCorr.R
@@ -88,7 +88,7 @@ main_cols <- 1:(ncols - sample_cols - 3) # Main columns before sample columns
 tail_cols <- (ncols - 2):ncols # The last 3 columns (adduct, isotope, pcgroup)
 
 # Combine the selected columns from matgrp with the group names
-variableMetadata <- cbind(
+variableMetadata <- data.frame(
   name = names_default,
   name_custom = names_custom,
   stringsAsFactors = FALSE
diff --git a/tools/camera/CAMERA_groupFWHM.R b/tools/camera/CAMERA_groupFWHM.R
index 3957c12a2..1832e8d41 100755
--- a/tools/camera/CAMERA_groupFWHM.R
+++ b/tools/camera/CAMERA_groupFWHM.R
@@ -91,7 +91,7 @@ main_cols <- 1:(ncols - sample_cols - 3) # Main columns before sample columns
 tail_cols <- (ncols - 2):ncols # The last 3 columns (adduct, isotope, pcgroup)
 
 # Combine the selected columns from matgrp with the group names
-variableMetadata <- cbind(
+variableMetadata <- data.frame(
   name = names_default,
   name_custom = names_custom,
   stringsAsFactors = FALSE